Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 11.19
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -9.60 -0.375 3.60
Prot (kg) -9.06 -0.441 4.00
Fertility Sub Index 1.69
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) 0.74 1.117 0.83
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -3.91
Carcass Weight (kg) 5.40 -0.528 -2.85
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 10.32

* Based on an €80/tonne carbon price